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30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
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From da87f91ad8450ccc5274cd7b6ba8d823b396c96f Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 18 Jun 2024 15:33:30 +0100
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Subject: [PATCH 1138/1145] drm/bridge: panel: Ensure backlight is reachable
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Ensure that the various options of modules vs builtin results
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in being able to call into the backlight code.
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https://github.com/raspberrypi/linux/issues/6198
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Fixes: 573f8fd0abf1 ("drm/bridge: panel: Name an associated backlight device")
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/bridge/panel.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/gpu/drm/bridge/panel.c
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+++ b/drivers/gpu/drm/bridge/panel.c
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@@ -87,8 +87,10 @@ static int panel_bridge_attach(struct dr
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drm_connector_attach_encoder(&panel_bridge->connector,
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bridge->encoder);
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+#if IS_REACHABLE(CONFIG_BACKLIGHT_CLASS_DEVICE)
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backlight_set_display_name(panel_bridge->panel->backlight,
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panel_bridge->connector.name);
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+#endif
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if (bridge->dev->registered) {
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if (connector->funcs->reset)
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